SiO2 Refractive Index

Name: SiO2 Refractive Index (n, k)
Creator: Acuitik
License: https://creativecommons.org/licenses/by/4.0/
Keywords: SiO2, refractive index, n, k, optical constants, thin film

Optical constants (n, k) of SiO2, covering 0.03 – 2.20 μm wavelength range.

Range 0.028 – 2.200 μm

Data Points 1904

Optical Constants at Key Wavelengths

632.8 nm (He-Ne)

n = 1.4737

k = 0.0000

589.3 nm (Na-D)

n = 1.4751

k = 0.0000

532 nm

n = 1.4775

k = 0.0000

1550 nm (Telecom)

n = 1.4596

k = 0.0000

n, k Dispersion Curves

Data Table (Sampled)

Wavelength (μm)	n	k
0.0275	0.93304	0.09468
0.0306	0.92597	0.10742
0.0342	0.90987	0.12337
0.0381	0.88685	0.14895
0.0424	0.85517	0.18995
0.0472	0.81870	0.26470
0.0527	0.81603	0.38923
0.0587	0.88406	0.51036
0.0654	0.96992	0.60351
0.0728	1.13930	0.69401
0.0812	1.22615	0.64558
0.0904	1.37886	0.73119
0.1008	1.47491	0.72832
0.1123	1.75041	0.59342
0.1251	2.10977	0.44110
0.1394	1.86017	0.05737
0.1554	1.70739	0.00807
0.1731	1.62822	0.00220
0.1929	1.58205	0.00084
0.2150	1.55252	0.00082
0.2396	1.53219	0.00081
0.2669	1.51747	0.00064
0.2974	1.50641	0.00042
0.3314	1.49789	0.00024
0.3693	1.49126	0.00013
0.4115	1.48604	0.00006
0.4586	1.48189	0.00003
0.5110	1.47857	0.00001
0.5694	1.47586	0.00001
0.6345	1.47361	0.00000
0.7070	1.47169	0.00000
0.7878	1.47002	0.00000
0.8778	1.46849	0.00000
0.9781	1.46702	0.00000
1.0899	1.46555	0.00000
1.2145	1.46398	0.00000
1.3533	1.46224	0.00000
1.5080	1.46018	0.00001
1.6804	1.45766	0.00007
1.8724	1.45456	0.00031
2.0864	1.45078	0.00068
2.1999	1.44851	0.00080

Sampled data (1904 points total). Click "Download Full CSV" for complete data.

Notes

Film SiO₂; Deposited by e-beam evaporation on c-Si at 25 °C; 878.4 nm thick film with a fine polycrystalline structure containing water and organic adsorbed contaminants in pores; Heterogenous data processing combining ellipsometric and spectrophotometric measurements; Room temperature.

References

D. Franta, D. Nečas, I. Ohlídal. A. Giglia. Optical characterization of SiO₂ thin films using universal dispersion model over wide spectral range. Proc. SPIE 9890, 989014 (2016) (Numerical data kindly provided by Daniel Franta)

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SiO2 Refractive Index

Optical Constants at Key Wavelengths

n, k Dispersion Curves

Data Table (Sampled)

Notes

References

Related Materials (Main)

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